爸爸这是金丝先生用英文怎么说

"爸爸" 用英语表达为 "father"。

"father" 是英语中用来指代父亲的词。它来源于古英语 "fæder"，其本质意思为 "生育者"。

例句：

My father is a doctor. (我父亲是医生。)
He is a good father to his children. (他是孩子们的好父亲。)
I have a great relationship with my father. (我和我父亲的关系很好。)